Fort Worth weekly gazette. [volume] (Fort Worth, Tex.) 1882-1891, 1887-07-29

suits, yet, there we're certain economic
facts resultant tneteftom which | think
vii be Of interest to The readers Of The
GAZETTE.
The rocks @ undertaking FLYLi
Fort Worth lG# we're OuCe the Hills
bottom of the Atlantic ocean, frLH
and were made by the chem lH1It
ical precipitation Of tine sed- l--4h -
imsnt5 and the remains If l-JH
millions of SEES shells, which HIM
even now constitute so Lrttl
much 81 the rocks. sui Cau WA.
De picked Jp in abundance T{3\
around the Fort. BY H.! IL
study Of these shells ald 3 WI H.
comparison With those lOV II
fOuad lying ID the depths ut Il
TIE CCesg, we fad that tEeY Y -E(A
are mostly extinct forms,
belonging to an age when, .i1lS
although but yesterday ia + I'm
geological time, are many I7{1
uilliOuyeaTs Old. Since these II
rocks were made in the deep I4J
sea many more have been t.-I
deposited upon them, sid In
81. hsyG gradually risen
from the ocean bottom and ne
become nigh lsGd, while ,hc IA
shore Of tls ocean mas sE IN
gradually reccjed, probably Fs IN
no faster than il is to-day EIE7A
81 Galveston, TIE cLcvat- E1FI1
IGg force was 20 The west E.lt HIP
ward probably the sam5 Eit3l4,
that lifted me B0cly Igla- EIE1-I
tains and hence these rocks E{FL3
nave q slope, Or DIP, to N. E4
s1utac-s .WarG-as shown IL ElsI1
the cut, fact 10 be remem- EEF-
gyred. Eff
Not only have the rocks ii
been elevated slowly from Isl
the oceans bed and may H ~
still be going up Tor 81! we EiI-1
know but they are con I'll
5tauuy being washed away t7-I
VITA every shower. The + I'll
rocks We now see are but 3 Hl
remnant IF the great fer 7-lS> !
nation which formerly ex- I-j
listed, and west of Weather ILL., ~
ford 81 they have been en- 1-I
Lirc'y washed exposing
Older formations IN reSr -
MiUsap ~. This oder for
nation instead IF consist
ing Of sot. limestone and
mCrls, Is is the case win
the ROCKS around For.
Worth ~, which will not r-I
allow the rgiHfal 10 soak r. ia
into them, but 10 low TO
the sea, are loose, porous
sands that drink up the
rslEs, ana below the ground
are always full oi moisture. E-g
Now these saudstOues are BH
pyD1sed fhrOu9hgut I-uapr --3
Cross TimbeTs aud in the t hi
COsl regions west OF pa.0 L-B
Pinto, Jack, Wise snd other counties,
6u5 they dip beneath The lfmestOnes ~, [
upon which Fort Worth is situated, that /.
commence west Of WeatheTfOId, and by .
the time they reach Fort Worth they are /
from 200 10 500 feet beneath the city. /
Beneath these porous sandstOnes are /
Ot1er beds Of cIsys and harder limestone " /
which, like The ones shove them, are in. /
peryious TO moisture, forming hard pan /
which prevents the moisture from sink .
ing lower than the San1stOnes. The rain .
fall soaking into these sands by tns cotton .
OF gravity and capillary sitrsCtlOGis near .
Iy alI held there, and wells dug from .
above into them invariably get water. /
Upon the familiar principle Of water seek /
mg It's own level, whereve- the 5u-faCe .
OF the country is higher above the ses .
level tlau the surface exposures CT these .
SANDY .trsts as il the case with gI the
suri5ee aeus Of Comsnche, Hood, Bos-
cue, Ersth, Wise, Somervell and pgr-
tons OF Montague, Thorp Springs and I
the springs ~ Glen il i. and other C0uu-
Ties, this water "iIi not Tow 10 the SUI !
face. Wherever the surface level Ct the |
Wei is lower than the exposures Of ire /
gudS, es is the case in the valleys Cf Ile /
city OF Fort Worth, the water VIII ioW TO .
the surface and make zr'esi1C wells.
lac Upper Cross IjnberS may he con /
sIdered the TeCet,lcg reservoir fyg the /
aTteSian wells OF Fort Worm and +
vicinity. Speaking more exactly, /
the exposures OF certain sandy
strata of the Upper Cross Limt e!s .
constitute this reservoir, fer 10 minute
survey giving the extent q these eX-
posures mas Oeen made, snd IL is probable /
Inst they may not coincide throughout .
with the extent Of the Upper Cross lin
Jers
the difference in altitude between the
surface level Of Fort Wcrth's artesian
wells and that Of the receiving reservoir
IS so slight that the water seldom spUrts
10 3 great height, and in wells dug on the
highest hills it does not quite reacl the
,uifaCe, snd hence the greater Dro1a-
'hty securing a lowing well il the
oW valleys.
SHc7 - hr:ef statement Of the ga0l-
,ov ~ the or-e.isn Wis ~ Fort worth
5-om if. bowavar csn he drawn some
,rosda- dedncfio1s for the harrft Of an